Teachers say since the class learned sign language six-year-old Zejd has been much happier at school.
Serbian authorities have arrested seven men suspected of involvement in the 1995 killing of 1,000 Muslims in a warehouse just outside Srebrenica.
Bosnia defeats Iran 3-1 in its last group stage match. The World Cup is over for both teams. Argentina and Nigeria will advance from Group F.
Lionel Messi led Argentina to a 2-1 victory over Bosnia-Herzegovina in their Group F match-up, including scoring the second FIFA World Cup goal of his career.